calculating lines of code from commit content

lib/git_stats.rb

@@ -5,7 +5,6 @@ require 'active_support/all'
 require 'action_pack'
 require 'action_view'
 require 'fileutils'
-require 'pathname'
 require 'tilt'
 require 'lazy_high_charts'
 require 'launchy'

lib/git_stats/git_data/blob.rb

@@ -0,0 +1,28 @@
+require 'git_stats/hash_initializable'
+
+module GitStats
+  module GitData
+    class Blob
+      include HashInitializable
+
+      attr_reader :repo, :hash, :filename
+
+      def lines_count
+        @lines ||= Command.new(repo, "git cat-file blob #{self.hash} | wc -l").run.to_i
+      end
+
+      def content
+        @content ||= Command.new(repo, "git cat-file blob #{self.hash}").run
+      end
+
+      def to_s
+        "#{self.class} #@hash #@filename"
+      end
+
+      def ==(other)
+        [self.repo, self.hash, self.filename] == [other.repo, other.hash, other.filename]
+      end
+
+    end
+  end
+end

lib/git_stats/git_data/commit.rb

@@ -7,6 +7,14 @@ module GitStats
 
       attr_reader :repo, :hash, :stamp, :date, :author
 
+      def files
+        @files ||= Command.new(repo, "git ls-tree -r #{self.hash}").run.lines.map do |line|
+          hash = line.split("\t")[0].split.last.strip
+          filename = line.split("\t")[1].strip
+          Blob.new(repo: repo, filename: filename, hash: hash)
+        end
+      end
+
       def files_count
         @files_count ||= Command.new(repo, "git ls-tree -r --name-only #{self.hash} | wc -l").run.to_i
       end

lib/git_stats/git_data/repo.rb

@@ -4,7 +4,7 @@ module GitStats
       attr_reader :path
 
       def initialize(path)
-        @path = path
+        @path = File.expand_path(path)
       end
 
       def authors
@@ -37,7 +37,7 @@ module GitStats
       end
 
       def project_name
-        @project_name ||= Pathname(path).basename.to_s
+        @project_name ||= File.basename(path)
       end
 
       def to_s

spec/author_spec.rb

@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe GitStats::GitData::Author do
-  let(:repo) { GitStats::GitData::Repo.new(path: "repo_path") }
+  let(:repo) { GitStats::GitData::Repo.new("repo_path") }
   let(:author) { GitStats::GitData::Author.new(repo: repo, name: "author1", email: "author1@gmail.com") }
   let(:other_author) { GitStats::GitData::Author.new(repo: repo, name: "author2", email: "author2@gmail.com") }
   let(:my_commits) { 10.times.map { |i| double("my_commit #{i}", :author => author) } }

templates/index.haml

@@ -19,7 +19,7 @@
     %td= repo.commits.last.files_count
   %tr
     %td Total lines
-    %td= "#{repo.short_stats.map(&:insertions).sum} insertions, #{repo.short_stats.map(&:deletions).sum} deletions"
+    %td= "#{repo.commits.last.files.map(&:lines_count).sum} lines (#{repo.short_stats.map(&:insertions).sum} insertions, #{repo.short_stats.map(&:deletions).sum} deletions)"
   %tr
     %td Total commits
     %td= repo.commits.size